French Onion Soup Gratinée

Malzemeler

• Malzemeler
• 1 yemek kaşığı balsamic vinegar
• 1 adet bay leaf
• 1 ml Beef broth (14 ounce can)
• 4 yemek kaşığı butter
• 1 ml Chicken broth (48 fl oz can)
• 1 çay kaşığı fresh thyme leaves
• 8 dilim Gruyère cheese
• 3 adet large red onion, thinly sliced
• 3 adet large sweet onion, thinly sliced
• 2 demet parsley bunch
• 4 çay kaşığı pinches paprika
• 0.5 bardak red wine
• 1 çay kaşığı salt
• 10 g sea salt and freshly ground black pepper to taste
• 0.5 bardak Shredded Asiago cheese
• 8 adet thick slices French bread
• 1 yemek kaşığı Worcestershire sauce